Language of Medicine Chapter 12- key words
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Created by:
so_sew on September 29, 2011
Subjects:
Description:
Chabner's Language of Medicine 9th edition. Key vocabulary words for Chapter 12- the respiratory system.
Classes:
HS 145 using Chabner's Language of Medicine
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30 terms
Terms | Definitions |
|---|---|
 adenoids | lymphatic tissue in the nasopharynx; pharyngeal tonsils |
| alveolus | air sac in the lung |
| apex of the lung | tip or uppermost portion of the lung. An apex is the tip of a structure. |
| base of the lung | Lower portion of the lung |
| bronchioles | smallest branches of the bronchi. Terminal bronchioles lead to alveolar ducts. |
| bronchus | branch of the trachea (windpipe) that is a passageway into the lung; bronchial tube. |
| carbon dioxide | gas produced by body cells when oxygen and food combine; exhaled through the lungs. |
| cilia | thin hairs attached to the mucous membrane epithelium lining the respiratory tract. They clear bacteria and foreign substances from the lung. |
| diaphragm | muscle separating the chest and abdomen. It contracts and relaxes to make breathing possible. |
| epiglottis | lid-like piece of cartilage that covers the larnyx, preventing food from entering the larynx and trachea during swallowing. |
| expiration | breathing out; exhalation |
| hilum | midline region where bronchi, blood vessels, and nerves enter and exit the lungs |
| inspiration | breathing in (inhalation) |
| larynx | voicebox; containing the vocal cords |
| mediastinum | region between the lungs in the chest cavity. It contains the trachea, heart, aorta, esophagus, and bronchial tubes. |
| nares | openings through the nose carrying air into the nasal cavities |
| oxygen | gas that passes into the bloodstream at the lungs and travels to all the body cells. |
| palatine tonsil | one pair of almond-shaped masses of lymphatic tissue in the oropharynx. |
| paranasal sinus | one of the air cavities in the bones near the nose. |
| parietal pleura | outer fold of pleura lying closer to the ribs and chest wall |
| pharynx | throat; including the nasopharynx, oropharynx, and laryngopharynx |
| pleura | double-folded membrane surrounding each lung |
| pleural cavity | space between the folds of the pleura |
| pulmonary parenchyma | essential parts of the lung, responsible for respiration; bronchioles and alveoli |
| respiration | process of moving air into and out of the lungs; breathing |
| trachea | windpipe |
| visceral pleura | inner fold of pleura lying closer to the lung tissue |
| lobe | division of a lung |
| External respiration | The exchange of gases in the lung |
| Internal respiration | The exchange of gases in the tissue cells |
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